Lamoille River - Teal Church, 05/19/14

General Info

Investigator Name(s): 

Katrina Hardt

Collection Date & Time: 

Monday, May 19, 2014 - 9:30am

Present: 

Clear/Sunny

School: 

Hazen Union Middle & High School

Watershed: 

Lamoille Basin

River: 

Lamoille River

Monitoring Site: 

Eaton Brook

Latitude: 

44.000000

Longitude: 

72.000000

Physical Assessment

Embeddedness: 

0-25%

Relative Flow Patterns: 

Fast-Shallow

Water Odor: 

Odorless

Water Appearance: 

Clear

Surrounding Development or Land Use: 

Farm

Residential

Is there a water treatment plant upstream?: 

No

Do you see any pipes entering into the river?: 

No

Appox. Channel Width: 

6.00ft

Avg. Depth: 

3.00ft

Current Velocity: 

1.00ft/sec

River Bottom Composition

Bedrock: 

0%

Boulders: 

5%

Cobble: 

90%

Sand, Silt, Clay: 

3%

Organic Matter (leaves, fallen twigs): 

2%

Algal Growth

Bottom covered by algae: 

10%

Bank Vegetation

Left bank: 

95%

Right bank: 

50%

Riparian Vegetation Zone

Left bank: 

1ft

Right bank: 

75ft

Overhead Canopy

Canopy Cover: 

40%

Turbidity

Avg. Turbidity: 

120NTU

Biotic Assessment

PT Group 1 (Intolerant)

Enter the number of each observed

Stonefly Nymph: 

32

Mayfly Nymph: 

5

Caddis Fly Larvae: 

3

Water Penny: 

1

PT Group 2 (Moderately Intolerant)

Enter the number of each observed

Dragonfly Nymph: 

2

Cranefly Larvae: 

2

PT Group 3 (Fairly Tolerant)

Enter the number of each observed

Midges: 

1

Pollution Tolerance Index Rating

= 4*(Total # in PT Group 1) + 3*(Total # in PT Group 2) + 2*(Total # in PT Group 3) + 1*(Total # in PT Group 4)

23+ (Excellent)
17-22 (Good)
11-16 (Fair)
10 > (Poor)

PT Index Rating: 

24.0

Chemical Assessment

Temperature

Trial 1: 

50°F

pH

Trial 1: 

7.0

Orthophosphate PO4-3: 

0.08mg/L

Dissolved Oxygen: 

15mg/L